package com.mdoya.config;

import com.mdoya.interceptor.GlobaInterceptor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Configuration;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurationSupport;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;

import java.util.List;

/**
 * @author mdoya
 * @version 1.0
 * @description:  SpringMvc 资源拦截器处理  这里可以添加拦截器管理
 *                  从哪里来addResourceHandler   到哪里去addResourceLocations
 */
@Slf4j
@Configuration
public class WebMvcStaticConfig extends WebMvcConfigurationSupport {

    @Autowired
    private GlobaInterceptor globaInterceptor;
    /**
     *      静态放行  从哪里来  放行哪里去
     * @param registry
     */
    @Override
    protected void addResourceHandlers(ResourceHandlerRegistry registry) {
        // 特别注意要加classpath  项目静态资源路径放行
        registry.addResourceHandler("/backend/**").addResourceLocations("classpath:/backend/");
        registry.addResourceHandler("/front/**").addResourceLocations("classpath:/front/");
    }

    /**
     *  SpirngMvc拦截器所有资源
     * @param registry
     */
    @Override
    protected void addInterceptors(InterceptorRegistry registry) {
        registry.addInterceptor(globaInterceptor).addPathPatterns("/**");
    }

    /**
     *  雪花id精度丢失配置交给Springboot管理
     * @param converters
     */
    @Override
    protected void extendMessageConverters(List<HttpMessageConverter<?>> converters) {
        log.info("扩展消息转换器...");
        //创建消息转换器对象
        MappingJackson2HttpMessageConverter messageConverter = new MappingJackson2HttpMessageConverter();
        //设置对象转换器，底层使用Jackson将Java对象转为json
        messageConverter.setObjectMapper(new JacksonObjectMapper());
        //将上面的消息转换器对象追加到mvc框架的转换器集合中
        converters.add(0,messageConverter);
    }
}
